The mixed number 13 43/80 written as an improper fraction is 1083/80
To turn the mixed number 13 43/80 into an improper fraction, use these simple steps:
First, multiply the whole number by the denominator of the fractional part: 13 × 80 = 1040.
After that, add the result to the numerator of the fractional part: 1040 + 43 = 1083.
Next, Write the sum of the previous step on the original denominator: 1083/80.
This means that 13 43/80, as an improper fraction, equals 1083/80.
See also: 13 43/80 as a decimal